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Variable Consideration (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Revenue Recognition and Deferred Revenue [Abstract]
Return asset	$ 67	$ 68
Refund liability	126	132
Variable consideration reserve	$ 136	$ 155

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- Definition

Revenue, Variable Consideration Constraint Reserve - Estimate of variable consideration with probability of subsequent revenue.

+ References

No definition available.

+ Details

Name:	lkq_RevenueVariableConsiderationReserve
Namespace Prefix:	lkq_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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- Definition

Amount of right to recover product from customer on settling refund liability.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 27
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479777/606-10-55-27

+ Details

Name:	us-gaap_ContractWithCustomerRightToRecoverProduct
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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- Definition

Current regulatory liabilities generally represent obligations to make refunds to customers for various reasons including overpayment.

+ References

No definition available.

+ Details

Name:	us-gaap_CustomerRefundLiabilityCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- References

No definition available.

+ Details

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